Title:
CLEANING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/109755
Kind Code:
A1
Abstract:
A cleaning device, comprising: a spray gun assembly (10) which comprises a spray gun housing (11), wherein the spray gun housing comprises a holding part (113) and a spraying part (114), the holding part and the spraying part enclose to form a clamping space, a liquid inlet and a liquid outlet (112) are provided on the spray gun housing, and the liquid outlet is located on the spraying part; a main machine assembly, wherein the main machine assembly and the spray gun assembly are arranged separately, and the main machine assembly comprises a motor and a pump; a power supply assembly (20), which is disposed on the spray gun assembly; and a connection accessory which is connected to the spray gun assembly and the main machine assembly, wherein the connection accessory is used to communicate with the liquid inlet and an outlet of the pump, and is electrically connected to the power supply assembly and the motor. When the power supply assembly is installed on the spray gun assembly, the center of gravity G0 of the two is located in the clamping space, and the projection of the holding part along the extension direction perpendicular thereto toward the spraying part covers the center of gravity G0, so that the cleaning device can have a natural use state in which a user's arm hangs naturally and when same is held by one hand. The cleaning device is comfortable to operate, reduces fatigue, and may improve the overall human-machine experience with regards to the cleaning device.
Inventors:
ZHA XIAHONG (CN)
ZHAO FENGLI (CN)
LI MINHANG (CN)
ZHANG ZHOU (CN)
ZHAO FENGLI (CN)
LI MINHANG (CN)
ZHANG ZHOU (CN)
Application Number:
PCT/CN2020/124254
Publication Date:
June 10, 2021
Filing Date:
October 28, 2020
Export Citation:
Assignee:
POSITEC POWER TOOLS SUZHOU CO LTD NON SMALL ENTITY (CN)
International Classes:
B08B3/02; B05B9/04
Foreign References:
| CN110653087A | 2020-01-07 | |||
| CN109570098A | 2019-04-05 | |||
| CN109482547A | 2019-03-19 | |||
| CN201669242U | 2010-12-15 | |||
| CN108367320A | 2018-08-03 | |||
| CN108533471A | 2018-09-14 | |||
| DE202015009641U1 | 2018-09-27 | |||
| US20080257988A1 | 2008-10-23 |
Attorney, Agent or Firm:
SUZHOU JINHE INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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